atleast you are beating me. I have had my X3 for a week and am only getting 16.5 mpg, and i haven't even put it in sport mode yet because I am breaking the engine in!
2014 X3 35i. Vermillion Red Metallic, Leather Nevada Mojave, Fineline Wave Wood, M Sport Package, Cold Weather Package, Driver Assistance Package with Top View, Dynamic Handling Package, Premium Package, Technology Package, Rear Manual Side Window Shades (for my new little baby girl
Retired 2008 335 xi